Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Matthew Grinnell, PT, DPT

Individual provider Physical Therapist · NPI 1881277960

Matthew Grinnell, PT, DPT is registered under Physical Therapist in Private Practice in New York, New York. Qualified in 2020, 6 years ago. Practices with Spear Physical and Occupational Therapy, LLC, a 577-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
6
Licensed in
NY
In the registry since
2021
What do these letters mean?
PT — Physical Therapist
A licensed therapist who treats movement, pain and injury.
DPT — Doctor of Physical Therapy
The doctoral degree now required to enter physical therapy practice.

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Practice location Address checks out

11 W 67th St
New York, NY 10023-6237
Phone: (646) 973-5431
Fax: (212) 400-4229
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence 046290 (NY)

Record details

NPI number1881277960
Entity typeIndividual (Type 1)
GenderMale
Credentials PT , DPT
Sole proprietorNo
NPI enumeratedMay 5, 2021
Last updated in NPPESMay 5, 2021
Certification dateMay 5, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Spear Physical And Occupational Therapy, Llc — 577 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients104
Services billed 4,578 a service is one billed item, such as a visit, a test or a procedure
Average patient age77

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Spear Physical and Occupational Therapy, LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 577 clinicians in the practice; 12 are shown here.

Other providers in New York